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A new equation describing travelling water waves

Published online by Cambridge University Press:  01 February 2013

Katie Oliveras  and
Vishal Vasan
Katie Oliveras*
Affiliation:
Mathematics Department, Seattle University, Seattle, WA 98122-1090, USA
Vishal Vasan
Affiliation:
Department of Mathematics, Pennsylvania State University, University Park, PA 16802, USA
*
†Email address for correspondence: oliverak@seattleu.edu
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Abstract

A new single equation for the surface elevation of a travelling water wave in an incompressible, inviscid, irrotational fluid is derived. This new equation is derived without approximation from Euler’s equations, valid for both a one- and two-dimensional travelling-wave surface. We show that this new formulation can be used to efficiently derive higher-order Stokes-wave approximations, and pose that this new formulation provides a useful framework for further investigation of travelling water waves.

JFM classification

Mathematical Foundations: Mathematical Foundations Waves/Free-surface Flows: Surface gravity waves Waves/Free-surface Flows: Waves/Free-surface Flows

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Type
Papers
Information
Journal of Fluid Mechanics , Volume 717 , 25 February 2013 , pp. 514 - 522
Copyright
©2013 Cambridge University Press

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